Current Electricity - Result Question 51

54. A steady current of 1.5amp flows through a copper voltameter for 10 minutes. If the electrochemical equivalent of copper is 30×105gcoulomb1, the mass of copper deposited on the electrode will be

[2007]

(a) 0.50g

(b) 0.67g

(c) 0.27g

(d) 0.40g.

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Answer:

Correct Answer: 54. (c)

Solution:

  1. (c) We have, m= ZIt

where, Z is the electrochemical equivalent of copper.

m=30×105×1.5×10×60

=0.27gm.



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